Specification points
WJEC AS Geology B480QS
62 points in 4 topics, with WJEC's codes and titles.
Codes and titles are read by a script from WJEC's published specification and have not been checked by a person. What each point covers is in the specification itself: WJEC’s specification.
1 Topic 1: Elements, Minerals and Rocks
- 1.1 Key Idea 1: Mineralogy and texture of rocks
- 1.1(a) Goldschmidt classification of elements
- 1.1(b) Bulk composition of the Earth and chondrites
- 1.1(c) Main elements of the Earth's crust
- 1.1(d) Silicate minerals
- 1.1(e) Minerals: composition, structure and properties
- 1.1(f) Composition of rocks
- 1.1(g) Composition and texture of igneous, sedimentary and metamorphic rocks
2 Topic 2: Surface and Internal Processes of the Rock Cycle
- 2.1 Key Idea 1: Sedimentary rocks and surface processes
- 2.1(a) External energy and surface processes
- 2.1(b) Physical and chemical weathering
- 2.1(c) Erosion, transport and deposition of sediment
- 2.1(d) Identifying sedimentary environments
- 2.1(e) A study of fluvial, marine, and aeolian sediments demonstrates these differences
- 2.1(f) Organic and chemical sedimentary rocks
- 2.1(g) Sedimentary textures, porosity and permeability
- 2.2 Key Idea 2: Igneous and metamorphic rocks and internal energy
- 2.2(a) The Earth's internal energy
- 2.2(b) Formation of igneous rocks
- 2.2(c) Partial melting and the tectonic settings of magma formation
- 2.2(d) Volcanic hazards
- 2.2(e) Magma composition and volcanic hazard
- 2.2(f) Metamorphism: changes from temperature and pressure
- 2.2(g) Contact and regional metamorphism
- 2.3 Key Idea 3: Rock deformation and geological maps
- 2.3(a) Rock deformation and stress-strain behaviour
- 2.3(b) Evidence of rock deformation
- 2.3(c) Dipping beds
- 2.3(d) Folding
- 2.3(e) Faulting
- 2.3(f) Unconformities
- 2.3(g) Outcrop patterns on geological maps
3 Topic 3: Time and Change
- 3.1 Key Idea 1: Present-day processes and the geological past
- 3.1(a) Principle of uniformitarianism
- 3.1(b) Modern environments and the sedimentary record
- 3.1(c) Facies
- 3.1(d) Fossils as evidence of former life
- 3.1(e) Fossil morphology and mode of life
- 3.1(f) Fossil preservation
- 3.1(g) Life and death assemblages
- 3.1(h) Bias and incompleteness of the fossil record
- 3.2 Key Idea 2: Relative and absolute geological time
- 3.2(a) Relative dating criteria
- 3.2(b) Radiometric dating
- 3.2(c) Fossils in relative dating
- 3.2(d) Characteristics of good zone fossils
- 3.2(e) The geological column
- 3.2(f) Changing rates of geological processes; mass extinctions
4 Topic 4: Earth Structure and Global Tectonics
- 4.1 Key Idea 1: The Earth has a concentrically zoned structure and composition
- 4.1(a) Layered structure of the Earth
- 4.1(b) Continental and oceanic crust
- 4.2 Key Idea 2: Internal heat and lithospheric plate motion
- 4.2(a) Lithosphere and asthenosphere
- 4.2(b) Plates and types of plate boundary
- 4.2(c) Forces driving plate motion
- 4.2(d) Remanent magnetism
- 4.2(e) Palaeomagnetism and sea floor spreading
- 4.2(f) The rock cycle and plate tectonics